To prevent or stall the passage of a bill.
Yes, a senator can take a break during a filibuster, but the rules and procedures surrounding filibusters can vary. In some cases, the senator may yield the floor temporarily to another senator who supports their cause. However, the senator cannot leave the chamber for an extended period of time as it could potentially end the filibuster.
Filibuster http://en.wikipedia.org/wiki/Filibuster
The body of a US Senator
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a filibuster?
This is a filibuster.
exploded
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overriding a veto
A filibuster is a long speech by a Senator that stops a bill's passage. It is a parliamentary procedure that dates back to ancient Rome where the senator Cato the Younger often used this tactic.